1. Tarascan spear throwing unit. Armed with throwing spears and a macana club. Protected with a small shield. 塔拉斯卡掷矛兵身穿棉质镶甲，对敌军短矛飞掷。
2. Throwing a weight that your wrist can support is much more important than throwing a heavy ball. 投掷一个你的手腕可能支持的球比投掷一个重球重要。
3. Arc slab better is stick vertically, the stick slot have to be as smaller as possible, thus to reach the best stick effect, and not to affect the appearance beauty. 弧面板以立粘为好，花线条以平粘为好，所有的粘接要本着粘接缝要尽可能小，既达到最佳粘接效果，又不影响外观美感的目的。
4. Arc slab better is stick vertically, the stick slot have to be as smaller as possible, thus to reach the best stick effect, and not to affect the appearance beauty. 弧面板以立粘为好，花线条以平粘为好，所有的粘接要本着粘接缝要尽可能小，既达到最佳粘接效果，又不影响外观美感的目的。
5. Under this theory, the atlatl or spear-throwing stick was invented 18, 000 years ago as a response to a Malthusian crisis, not just because it seemed like a good idea. 按这种理论推断，18000年前发明的一种叫“atlatl”的梭标投掷棍，并非仅仅因为好使，它其实是应付马尔萨斯危机的产物。
